Generator does not load

Identical failure with both 3.0 and 3.1, and on both Blender 4.2.0 and 4.2.2

Failed to load generator: Failed to load shared library 'C:\BLENDER\4.2.2\portable\scripts\addons\meshgen\.python_dependencies\llama_cpp\lib\llama.dll': Could not find module 'C:\BLENDER\4.2.2\portable\scripts\addons\meshgen\.python_dependencies\llama_cpp\lib\llama.dll' (or one of its dependencies). Try using the full path with constructor syntax.
Traceback (most recent call last):
File "C:\BLENDER\4.2.2\portable\scripts\addons\meshgen\.python_dependencies\llama_cpp\llama_cpp.py", line 75, in _load_shared_library
return ctypes.CDLL(str(_lib_path),winmode=0) # type: ignore
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\BLENDER\4.2.2\4.2\python\Lib\ctypes\__init__.py", line 376, in __init__
self._handle = _dlopen(self._name, mode)
^^^^^^^^^^^^^^^^^^^^^^^^^
FileNotFoundError: Could not find module 'C:\BLENDER\4.2.2\portable\scripts\addons\meshgen\.python_dependencies\llama_cpp\lib\llama.dll' (or one of its dependencies). Try using the full path with constructor syntax.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\BLENDER\4.2.2\portable\scripts\addons\meshgen\generator\generator.py", line 72, in load_generator
import llama_cpp
File "C:\BLENDER\4.2.2\portable\scripts\addons\meshgen\.python_dependencies\llama_cpp\__init__.py", line 1, in
from .llama_cpp import *
File "C:\BLENDER\4.2.2\portable\scripts\addons\meshgen\.python_dependencies\llama_cpp\llama_cpp.py", line 88, in
_lib = _load_shared_library(_lib_base_name)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\BLENDER\4.2.2\portable\scripts\addons\meshgen\.python_dependencies\llama_cpp\llama_cpp.py", line 77, in _load_shared_library
raise RuntimeError(f"Failed to load shared library '{_lib_path}': {e}")
RuntimeError: Failed to load shared library 'C:\BLENDER\4.2.2\portable\scripts\addons\meshgen\.python_dependencies\llama_cpp\lib\llama.dll': Could not find module 'C:\BLENDER\4.2.2\portable\scripts\addons\meshgen\.python_dependencies\llama_cpp\lib\llama.dll' (or one of its dependencies). Try using the full path with constructor syntax.